Effect of Solution Treatment on the Microstructure and Properties of Thixotropic Back-Extruded Copper Alloy Bushings
Source abstract
Abstract
The ZCuSn10P1 copper alloy bushings were prepared by thixotropic back-extruded casting. And the effects of the solution treatment on the microstructure and properties of bushings were studied. The results showed that the microstructures were relatively uniform when the bushes were solution treated at 690 °C for 60 min-100 min. With the extension of solution treatment time, the average grain size of primary phase increased, and a small amount of Cu3P phase precipitated and distributed along the grain boundaries. The Sn element in the matrix gradually diffused into the intergranular structure to form the Cu41Sn11 phase. The tensile strength and elongation first increased and then decreased with increasing solution treatment time.
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Research context
OpenAlex topics: Aluminum Alloy Microstructure Properties · Metallurgy and Material Forming · Aluminum Alloys Composites Properties
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